Question

i have a question.. so My teacher gave me a problem like this
15x+5=0
her answer: 5(x+3)=0
x+3=0

Answer 1

are you solving for x?

Answer 2

sorry i was not done but the answet is X=-3

Answer 3

yeah, what is your question? :)

Answer 4

-7x-14=0

Answer 5

-7x-14=0
+14
-7x=-14
___ ___
-7 -7

x=2 :)

Answer 6

then a nother problem is Factor: 15x+5 she got as a asnwer 5(3x+1
my question is how do u solve this one 18+24X

Answer 7

3(6+8x)

Answer 8

HOW did u get that? O.o

Answer 9

find the greatest common factor (GCF)... which is 3 for this problem

Answer 10

wait can u explain more im sorry ...

Answer 11

then you divide..

18/3=6
24/3=8
=
3(6+8x)

Answer 12

use distributive property to check, and you get the original answer.

Answer 13

ok thank you (:

Answer 14

how do you solve this 5x^2+15x=0